Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"trong ca danh slippers" » "trong cac danh slippers", "trong van danh slippers", "trong nha danh slippers", "trong cao danh slippers", "trong cau danh slippers", "trong ca dan slippers", "trong ca danh slippery", "trong ca danh grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("trong ca danh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong ca danh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong ca danh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong ca danh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.